AlphaFit LED Watermelon Light Bulb (Gen 2) | Amber

High-output AlphaFit Gen 2 LED bulb engineered specifically for glass watermelon light housings. Designed with dual LED banks and a compact emission surface to produce a full, uniform star-beam pattern with no center void.

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Dual-Color LED Control System

Three-wire configuration provides true dual-color control without dimming or switchback behavior.

Features include:

• Dedicated LED bank per color
• Full-power operation on each circuit
• Secondary color overrides when both circuits are powered

Enables clean integration with marker, auxiliary, or switched circuits.

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23W High-Output Gen 2 Platform

Each active circuit operates at full output.

Specifications:

• 23W per active color
• Stable color output with no brightness-based switching
• Consistent beam intensity across operating conditions

Gen 2 platform is machine-built for improved consistency and reliability.

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Focused Optical Output for Glass Lenses

Designed specifically for glass star-pattern watermelon lenses.

Key characteristics:

• Compact emission surface for precise optical control
• Full beam fill with no center dark spot
• Compatible with radial prism (starburst) lenses

Outperforms multi-diode and switchback bulbs in glass applications.

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LED Chip Bank Configuration

Each side of the bulb includes:

• One dedicated LED bank per color
• Independent control per circuit

Prevents color blending and maintains output clarity.

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Advanced Thermal Management System

Hybrid cooling system supports continuous operation.

Cooling components include:

• Oversized anodized aluminum housing
• Internal active cooling fan
• Passive heat sink beneath LED chips

Designed to maintain thermal stability and extend lifespan.

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Positive-Pressure Venting System

Active cooling system creates internal airflow to manage moisture.

Features include:

• Positive-pressure airflow through housing
• Condensation reduction via internal circulation
• Moisture expulsion during operation

Improves reliability in variable climates and environments.

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Application & Use Case

Designed for:

• Glass is Class watermelon light housings
• Gen 1 bulb upgrades
• Show truck and off-road lighting

⚠️ Not designed for plastic or reflector-style housings.

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Installation & Technical Details

• Voltage: 12V / 24V compatible
• Power Draw: 23W (active color)
• Base Type: H11-style
• Wiring:
  • Ground
  • Primary color
  • Secondary color (override)

No external resistors required for standard operation.

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Build Quality & Materials

• Anodized aluminum housing
• Integrated active cooling fan
• Passive thermal structure
• Precision-machined internal components

Gen 2 design improves durability, output consistency, and failure resistance.

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What’s Included

• 1 × AlphaFit LED Bulb (Gen 2) | Amber
• Integrated active cooling system
• Pre-wired 3-wire lead

Note: Glass lens and housing sold separately unless purchased as a complete kit.

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Warranty Coverage

Backed by a 1-year limited warranty from Alpha Series Lighting.